While some classify large animals in accordance with their body weight, others do that on account of their dimensions. But apart from giraffe, elephant and the blue whale, there are many other avians, aquatic and terrestrial animals that comprise our list of the largest animals in the world.

Moreover, there are amphibians and reptiles to join the list. Some are widely known while other would be a surprise for you. So let’s go and check out which one is the heaviest animal in the world.

1. The Blue Whale- The Largest Animal

Balaenoptera musculus or the blue whale is the largest animal in the world. This marine mammal belongs to the family of the baleen whales. Weighing as much as 180 metric tons and elongated to a length of 98 feet, the massive blue whale is considered to be the largest animal on earth.

Just the tongue of a blue whale is as heavy as an Asian elephant, weighing 2.7 metric tons. The heart of a blue whale is as heavy as a mini cooper car, weighing about 1300 lbs i.e. 600 kg. It feeds on Krills, which are tiny shrimp-like creatures. A blue whale can gorge itself with as much as 3.6 metric tons of food each day.

2. The African Elephant- The Largest Terrestrial Animal

The African bush elephant is the largest land animal in the world. With an average weight of 7 tons, trunk to a tail height of 35 feet and a shoulder height of 13 feet, the African bush elephant is one of a massive creature.

The males are usually heavier and larger than the females. On account of its enormity, adult elephants don’t have any natural predator. The younger ones, however, are susceptible to attacks by lions, crocodiles, leopards, and hyenas.

3. Giraffe- Biggest Animals In The World

Giraffa Camelopardalis or the giraffe is an even-toed African mammal. The ungulate animal is the longest of all terrestrial animals and one of the largest animals on Earth. The characteristic feature of a giraffe is its famous elongated neck which stretches up to 2 feet, nearly half of its vertical height.

The males are generally heavier than the female counterparts. A male giraffe weighs up to 1600 kg and females 890 kg. The normal height of a giraffe extends up to 5-6 Metres in length.

4. Southern Elephant Seal- The Largest Carnivore

The southern elephant seal, a member of the seal family is the largest carnivore to reckon with. It shows the highest degree of sexual dimorphism in terms of size. The female species weigh up to 400-900 kg; the males are 5-6 times heavier, 2200-4000 kg in weight.

While the male seals are 15-19 feet long, the females extend just to a length of 8.5-9.8 feet. They primarily feed on squids and fishes. The southern elephant seal can dive underwater to depths of 1300 to 3300 feet for as long as 20 minutes.

5. Biggest Animals In The World: The Polar Bear- Largest Land Carnivore

The polar bear (Ursus Aritimus) native to the Arctic Circle is the world’s largest predator. Also, a brown bear, the Kodiak bear (Ursus arctos) joins the last. The two species are almost identical in size. Their shoulder height is no less than 5.2 feet (1.6 meters) and a length of 10 feet (3.05 meters).

These bears are magnificently massive carrying a whopping weight of 1 ton. The polar bears have a 5-inch thick layer of fat beneath their skin, which keeps them warm in the icy surroundings.

6. The Saltwater Crocodile- Largest Reptile

Crocodylus porosus or the saltwater crocodile is the largest living reptile on the planet. It can be found in Northern Australia, Southeast Asia and along the eastern Indian coast.

While an adult saltwater crocodile weighs between 400 to 1000 kg and 13-18 feet in length, the mature ones extend beyond 20 feet in length and 1 ton in weight. Due to its enormity, it can engulf any and every piece that breaks through its territory. This characteristic makes it an apex predator.

7. The Chinese Giant Salamander- Largest Amphibian

Andrias davidianus or the great giant salamander is next on the list of largest animals in the world. Extending to a length of 6 feet, this endangered species is the largest and the biggest salamander in the world.

They usually dwell in lakes and mountain streams in China. Due to their use in traditional Chinese medicines and their virtuousness, the great giant salamander is becoming extinct. With a massive weight of 64 kg, they are definitely one of the heaviest animals in the world.

8. Biggest Animals In The World: The Green Anaconda- Largest Snake

Eunectes murinus or the green anaconda is the largest living creature of the reptilian clan. This large American snake are dangerous snakes in the world, native to South America is non-venomous. It is known by different names like water boa and common anaconda.

With the maximum recorded size of 25 feet and a massive weight of 250 kg, the green anaconda us the longest and heaviest of all the snakes. The females are usually longer than males. While an adult female extends to 4.5 meters in length, their male counterparts are merely 3 meters long.

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9. Biggest Animals In The World: Ostrich- The Largest Bird

In the world of avian, Struthio camelus or the ostrich is the tallest and the heaviest. Endemic to the plains of Arabia and Africa, these running birds are known for their long necks. They have a characteristic stout belly and long legs which give them a swift speed.

An ostrich can run at a speed of 60 mph, the maximum for any two-legged animal or bird. The eggs of an ostrich are the largest in the world, weighing 1.4 kg.Apart from being one of the heaviest animals in the world, ostriches are also included in the world’s longest necked animals. A male ostrich can weigh up to 156 kg and be as long as 9.2 feet vertically.

Apart from being one of the heaviest animals in the world, ostriches are also included in the world’s longest necked animals. A male ostrich can weigh up to 156 kg and be as long as 9.2 feet vertically.The Japanese Spider Crab- Largest

10. The Japanese Spider Crab- Largest Arthropod

The last animal on our list of largest animals in the world is the Japanese Spider Crab- Macrocheira kaempferi. The world’s largest anthropod hails from the family of marine crabs and is found in waters near Japan.

The Japanese Spider Crab has the longest leg span of 12 feet, from claw to claw. It is the greater than any other anthropod. It weighs up to 41 pounds and may live as long as 100 years. The spider crabs usually feed on animal carcasses and shellfish. The Japanese crab is also regarded as a delicacy.

This brings us to the end of our compilation of the biggest animals in the world. Apart from these, there are many others who are mesmerizingly huge. Some of them belong to the family of rodents while others are amphibians.

A few of them are terrestrials, while others are avian. Aquatic animals fall in this category too. So go on and explore more!!!

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